The sleep tag has no wiki summary.
2
votes
0answers
38 views
How to know when a device is ready
I have firewire mixing console and I wrote an udev rule which calls a script to set up the whole audio chain (alsa -> pulseaudio -> jackd -> firewire) as soon an the console is switched on.
Now I ...
1
vote
2answers
70 views
Computer doesn't wake from sleep mode
I have a laptop with Linux Slackware 14, KDE 4.8.5, kernel 3.9.0-rc6. When I close the lid and pull out the power cord, the machine goes into sleep mode. When I wake it, plugging the cord back in and ...
3
votes
4answers
227 views
Avoiding busy waiting in bash, without the sleep command
I know I can wait on a condition to become true in bash by doing:
while true; do
test_condition && break
sleep 1
done
But it creates 1 sub-process at each iteration (sleep). I could ...
2
votes
1answer
158 views
Kubuntu doesn't reconnect to Wifi after waking up from sleep
I just installed Kubuntu on my laptop and it's working fine so far, except the wireless connection is not switched on after waking up from sleep. I do have to click "Enable wireless" so that it ...
3
votes
2answers
255 views
How preemption works on Linux when a program has a timer less then 4ms?
Jiffies in most Linux system are defaulted to 250 (4ms). The questions is that what happens when a program has a usleep() less then 4ms ? Of course it works as should when it is scheduled. But what ...
3
votes
1answer
398 views
auto reconnect VPN on waking up
When I wake up my computer, the internet automatically reconnects, however the VPN does not.
Is it possible to make it automatically reconnect (using the network manager on KDE, or at least in a way ...
3
votes
1answer
173 views
Plotting the sleep/wait chain of a process
I often want to know why a process in the middle of a pipeline is sleeping and not busy processing data. My current method is:
find the pid of interest
sudo strace -pt pid to get the blocking ...
1
vote
3answers
872 views
Use DD-WRT to auto WOL when traffic is on same subnet
So i've seen the WOL scripts and they seem like they could work well when i'm trying to connect from a computer that is outside my router.
Script i'm using:
...
3
votes
0answers
130 views
Sleep key stops working after some time
I've got a "Sleep" key on my keyboard that I use to suspend the system when I'm away from the computer for a longer time.
This works fine, at least for a while after I've turned the computer on. ...
1
vote
0answers
114 views
Debian Mouse Preference?
I just loaded Debian onto a live usb today for the first time. I successfully killed my laptops annoying trackpad with the synclient command, but now I can't figure out how to get Debian to stop ...
1
vote
1answer
418 views
Alternative for `sleep seconds` that takes system load into account?
So I develop my server app and some client apps for it. After each rebuild I start my server (which tends to load qup all services for something like 2 seconds) and then I start my clients... So his ...
2
votes
1answer
1k views
Script to SCP files works manually but not through cron
I'm using CentOS 5.6. The below code might have some typos as I needed to change real info to fake info for security reasons:
backup.sh
#!/bin/bash
set -vx
rm -v /server/temp_db.gz
rm -v ...
1
vote
3answers
232 views
Faster delayed execution than 1 minute?
I am working on a program that can "upgrade itself" by install a new package. In order to accomplish this, I am using the at command to specify that a shell script should be run one minute in the ...
7
votes
2answers
471 views
What is a good way of saying “run this after 15 minutes” on a shell?
I use this
sleep 900; <command>
on my shell. Just wanted to know is there is some alternate/better way that you use?
2
votes
2answers
198 views
Different sleep binaries on Mac (Darwin) and in Linux. How to properly handle the differences?
In my Linux box, sleep accepts seconds, minutes and hours. So:
sleep 10m
Sleeps for 10 minutes (or 600s).
sleep on Mac only accepts seconds as argument. sleep 10m doesn't work, only sleep 600s.
...
0
votes
1answer
3k views
Adding Sleep command to shell script?
How can I add a 10sec sleep to my loop after each page is processed?
#!/bin/sh
for page in {1..50}
do
wget -q -U Mozilla "http://admin.domain.com/products_search/?p=$page" -O - \
| tr '"' ...
2
votes
1answer
516 views
Screen fading out on GNOME, without ability to cancel
Sometimes, on my Arch Linux laptop, using GNOME for the desktop, my screen will fade out after a while of non-activity (even if I'm watching a video). This fade out is very slow, and can't be ...
7
votes
2answers
1k views
How to power off a system but still keep it available on the network
I'm looking into installing a file server on my network, for serving data and backups.
I want this machine to be available at all times, but I would rather not keep it on all the time (as to conserve ...
